. . . . "The molecular structure of the alpha-helix maximises its mechanical robustness while using a minimal amount of building material." . "conceptual" . . "Alpha-helix structure maximises robustness for minimal material" . "Theodor Ackbarow et al., “Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains”, Proceedings of the National Academy of Sciences 104, 16410-16415 (2007), doi:10.1073/pnas.0705759104; Abstract. Scope: Alpha-helical protein domains, as interpreted through the hierarchical Bell model" . "Theodor Ackbarow, Xuefeng Chen, Sinan Keten, Markus J. Buehler. Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains. Proceedings of the National Academy of Sciences 104, 16410-16415 (2007). doi:10.1073/pnas.0705759104" . "Theodor Ackbarow, Xuefeng Chen, Sinan Keten, Markus J. Buehler" . "2007"^^ . "PMC2034213" . "doi:10.1073/pnas.0705759104" . "pmid:17925444" . "Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains" . . . "delphisci buehler-protein-materials claim extractor" . . . . "Claude Fable 5.1" . . . . . . . . . . . . "Quoted from the published abstract as returned by Europe PMC (2007-hierarchies.abstract.txt, sha256 4f052f4a8a9ddc7dfecc384493c31e0f00fcd9873ded36486b8618493fdf4e18); the full text was not read (not in Europe PMC open-access subset). Checked by build/check.py." . . . "Our results provide evidence that the molecular structure of AHs maximizes its robustness at minimal use of building materials." . . "4f052f4a8a9ddc7dfecc384493c31e0f00fcd9873ded36486b8618493fdf4e18" . "Checksum of the vendored text file inputs/2007-hierarchies.abstract.txt, not of the publisher's copy." . . . "Abstract of Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains, as read" . . "buehler-protein-materials" . "2026-11-08T04:38:11.893Z"^^ . . . . . "Theodor Ackbarow et al. 2007 claim: Alpha-helix structure maximises robustness for minimal material" . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB" . "XVtSzWFvN+suNaIrglk4o1z2E4KoEcLYL99hd8sjMAwP8oXcv+4e6kX2dOpHy3fN3GHoXSi/N18fMEjIrYDS36pREZVwvC1yMh8Ub8F8h0DaaRnobaFd/JFOYvA1WANCfoovCWoYz3KUPcGQzYBQ6vD8EDfwKX4fEF7LklKdZu7uE7fV2sKr3XStxm4PO4A+FN1VavwMmO0k/Bk4a3cKz92uHq5BPiv64jZbE+In4XWbIekwSehtSxJLHuffOVqH5Afc2Yi+zCjgVjPlk1jHZZtJqrEqRESH5FFavYBz53sJ24rGtHJTkctcmK3S7CnJUPW0RJMbHQ455TyyOB/fQA==" . . .